[Rest Level Client] Support pagination

[joheredi]

Design a function helper that can help users handle pageable operations

[joheredi]

Initial work to add a core package to handle the logic of pagination is in Azure/azure-sdk-for-js#15831

Once that work is merged we can implement the code-gen part which consist on generating a wrapper that feeds the helper nextLinkName and itemName if provided

Here is an example of how the generated code would look like:
https://github.com/Azure/azure-sdk-for-js/blob/9e208a2efe159308eec411748900f768ae1ef817/sdk/agrifood/agrifood-farming-rest/src/farmBeats.ts#L1115-L1145